– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Wed 01 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Wed 01 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Wed 01 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 34mm), heaviest during Wed night. Mild temperatures (max 8°C on Wed afternoon, min 2°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 17°C on Sun afternoon, min 5°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  |  | | | | | |  |  | |
mod. rain | light rain | heavy rain | light rain | light rain | light rain | cloudy | light rain | some clouds | some clouds | clear | some clouds | some clouds | cloudy | some clouds | cloudy | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
7 | 0.8 | 21 | 3 | 1.7 | 1.1 | — | 0.2 | — | — | — | — | — | — | — | — | 0.1 | 0.1 | |
max °C | 4 | 8 | 5 | 3 | 4 | 4 | 5 | 7 | 6 | 9 | 12 | 9 | 15 | 17 | 14 | 16 | 17 | 13 |
min °C | 3 | 7 | 2 | 3 | 4 | 4 | 4 | 6 | 3 | 5 | 11 | 9 | 10 | 17 | 12 | 13 | 16 | 10 |
0 | 7 | 0 | 3 | 3 | 4 | 4 | 6 | 3 | 5 | 11 | 9 | 10 | 17 | 12 | 13 | 16 | 10 | |
1150 | 1450 | 950 | 1000 | 1150 | 1100 | 1250 | 1450 | 1600 | 1850 | 2400 | 2750 | 2900 | 3000 | 2900 | 2750 | 2650 | 2450 | |
Cloud base (m) | 500 | 700 | 550 | 600 | 600 | 600 | 1000 | 1000 | 950 | 900 | 1000 | 5850 | 5900 | 7000 | 6750 | 6550 | 6200 | 2300 |
 | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — |
 | — | 7:37 | — | — | 7:38 | — | — | 7:40 | — | — | 7:42 | — | — | 7:44 | — | — | 7:45 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 34mm), heaviest during Wed night. Mild temperatures (max 8°C on Wed afternoon, min 2°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 17°C on Sun afternoon, min 5°C on Sat morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.